3-in-1 Safety & Climate Monitoring:

Monitors real-time carbon monoxide levels from 0 to 1000 ppm with customizable alarm thresholds, while simultaneously tracking ambient temperature and humidity for complete indoor air safety.

150-Hour Battery & Type-C Charging:

Powered by a high-capacity rechargeable battery with a modern Type-C fast-charging port, delivering up to 150 hours of continuous runtime for home, office, and travel use.

Triple Multi-Sensory & Night-Visible Alarm:

Triggers a loud audible siren, visual screen flashes, and changing bottom LED ring colors through a translucent housing for high visibility in dark rooms, basements, or power outages.

Compact Magnetic & Portable Design:

Measures a ultra-portable 54 × 27 × 110.2 mm with an integrated magnet and lanyard for effortless mounting on metal surfaces, walls, or tents during camping and RV trips.

What You Receive:

1× GuardStarX Watcher-S1 3-in-1 Carbon Monoxide Detector, 1× Outdoor Lanyard, 1× Type-C Charging Cable, and 1× User Manual.